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What should I do if the tire rim gap of freight car is large?
The solution is as follows:

Excessive clearance will cause: flat tires and bumps from side to side. Cause security problems. First, remove the tire, smooth the edge of the wheel hub with fine sandpaper or brush off the impurities on the edge of the wheel hub with an iron brush, coat the wheel hub with a layer of oil, and apply a little oil on the edge of the tire when installing the tire, which can solve the problem.